This Fourth Edition of Chest Medicine: Essentials of Pulmonary and Critical Care Medicine continues to teach pulmonary and critical care medicine through clinically-oriented, empirical documentation. Updates include expanded text on eosinophilic pneumonias and some nonrespiratory aspects of critical care. This portable textbook teaches the essentials of chest medicine, keeping pace with technology and new data to offer readers the latest information on pulmonary disease and critical care medicine.